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[Bug rtl-optimization/53908] [4.6 Regression] csa removes needed memory load
- From: "steven at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Jul 2012 09:36:11 +0000
- Subject: [Bug rtl-optimization/53908] [4.6 Regression] csa removes needed memory load
- Auto-submitted: auto-generated
- References: <bug-53908-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53908
--- Comment #19 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-16 09:36:11 UTC ---
Author: steven
Date: Mon Jul 16 09:36:04 2012
New Revision: 189512
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189512
Log:
Backport from trunk:
gcc/
PR rtl-optimization/53908
* df-problems.c (can_move_insns_across): When doing
memory-reference book-keeping, handle call insns.
testsuite/
PR rtl-optimization/53908
* gcc.dg/torture/pr53908.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/gcc.dg/torture/pr53908.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/df-problems.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog